Executive Secretariat
Signature Blocks of NIH and HHS Officials
Signature blocks are for letters to be signed by the official. For memoranda, use only the signer’s name since their title appears in the FROM line of the memoranda’s heading. See more guidance on preparing letters and memoranda at Writing Tips and Examples.
NIH Officials
For NIH Officials, use NIH Letterhead.
Preferred signature blocks for current NIH Director and NIH Deputy Director:
Sincerely yours,
Francis S. Collins, M.D., Ph.D.
Director
Sincerely,
Lawrence A. Tabak, D.D.S., Ph.D.
Principal Deputy Director
Secretary, HHS
All letters and memos should be submitted in Times New Roman 12 pt.
Confirmation of a new HHS Secretary is currently pending.
This page last reviewed on February 5, 2021
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